Method for Isolation, Enumeration and Confirmation of Enterococci from Raw, Potable, Process and Recreational Waters by Membrane Filtration
Enterococci reduce triphenyltetrazolium chloride to insoluble red formazan to produce red, maroon or pink colonies on Slanetz and Bartley (S&B) medium when incubated at 37°C.
Methodology – Environment Agency, The Microbiology of Drinking Water (2012), Part 5 – Methods for the isolation and enumeration of Enterococci.
